Quando um sedimento é depositado, inclui automaticamente mistura de sólidos/grãos e água/líquido, com a proporção entre eles dependendo do tipo de sedimento e do ambiente.
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Com o soterramento progressivo, os líquidos são expulsos e o sedimento é compactado. A compactação resulta em reduções notáveis de > 50% (folhelhos) a 20% (arenitos) na porosidade e crescimento significativo da densidade da rocha.
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Variações laterais na quantidade de compactação são possíveis, consignado variações de espessuras (estruturas pinch-and-swell), distintas daquelas produzidas por estiramento tectônico (secundárias, impostas por deformação). .
Photo by @maxrivephotography .
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. #sedimentology#sedimentary#rock#sandstone#sand#dune#place#planet#planetearth#geo#geologia#geología#geology#landscapephotography#landscape#photooftheday#photo#photographer#trip#travel
41553 hours ago
How long has it been since your last adventure? 📷 @julieboydphoto .
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The Ghorepani Poon Hill trek along the Annapurna circuit is a gorgeous 4-5 day climb in the Himalayas. Reaching a maximum elevation of about 3200 meters and covering a distance of roughly 50 kilometers, the highlight of this trek is without a doubt the unobstructed views of the Annapurna mountain range. Accommodation along the way is basic at best with hole-in-the-wall rooms, shared toilets and no guaranteed running water but the delicious home-cooked meals at tea houses along the trail and views of the towering Himalayas more than make up for the lack of comfort. The trek is of moderate difficulty and is especially recommended for families who want to expose kids to multi-day hikes in the mountains. We did this trek with three kids aged 12, 10 and 5 all of whom had a blast waking up early each morning to climb 2000+ feet to get to our next rest stop, surviving on maggi, momos and daal bhat during the climb. The image above is a view of the Annapurna mountain range as seen from Poon Hill, the highest point on the trek, during sunrise.
📸 Pic Credit: @achintthomas
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BEST OF 2019 - This shot had been in my mind for at least a year or so. I was lucky enough to shoot a sunrise from the top of Mt Coot-Tha during a cloud inversion with was cool, but I had the thought of shooting The stars at night if an inversion would happen earlier in the night. If the clouds were thick enough it would block the light pollution and In theory Id see more stars. 🤔 Well I got my chance, and I went for it!!! I Stayed up all night (till sunrise) and was able to shoot this star trail shot. 🙌🏼 My next goal is the shoot the Milky Way from the same place, but a heap of things will need to align for that to happen. #witns2019
The power of water “When life places stones in your path, be the water. A persistent drop of water will wear away even the hardest stone.”
Autumn Morning Star